Home / 61,439.92-92,182.07-21,464.81

Finding the Fourth Proportional to 61,439.92, 92,182.07 and 21,464.81

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Solution

The fourth proportional to 61,439.92, 92,182.07 and 21,464.81 is: 32,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,439.92 : 92,182.07 = 21,464.81 : x
  2. Step 2: Convert to fraction form
    61,439.92/92,182.07 = 21,464.81/x
  3. Step 3: Cross multiply
    61,439.92x = 92,182.07 × 21,464.81
  4. Step 4: Simplify right side
    61,439.92x = 1,978,670,369.83
  5. Step 5: Solve for x
    x = 1,978,670,369.83/61,439.92
  6. Step 6: Final answer
    x = 32,204.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.